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Originally Posted by Cathar
You're quite right. I was just throwing a number out there at 50K as a comparison to water having around 1000x the convectional coefficient of air.
In another thread here I speculated that the Cascade is in the vicinity of 80-90K when flowing at 10LPM.
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These seem like impossibly high numbers even allowing for the fact that it is an "effective h" for the cup region rather than a strictly accurate calculation of surface area, turbulence, viscosity bla bla.
Not doubting it though, it's just that conventionaly speaking this would require that the liquid be boiling or something. Could it be? Some localised low pressure in the cups...
...the cogs are turning slowly these days...
Cheers
Incoherent